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What factors influences resistance to blood flow in the arteries?
resistance occurs as the blood flows away from heart through the vessels in the peripheral systemic circulation a term known as peripheral resistance. Viscosity of the blood (thickness) ,vessel length (distance) and vessel diameter (blood vessel radius) are three factors
What can cause a peripheral artery disease?
One of the major causes of peripheral arterial disease in the developed world is diabetes mellitus. This condition, if blood glucose levels are not well controlled, is associated with peripheral arterial disease which characteristically effects the kidneys and the retina of the eye. Damage to the micro-circulation occurs as well as disease of the larger vessels. Such processes lead to damage of the peripheral nerves, leading to anaesthesia (total numbness).Elevated serum levels of LDL-Cholesterol are also associated with damage to the peripheral arteries. Other causes include tobacco smoking.One of the most important causes of Peripheral Artery Disease is said to be Atherosclerosis which mainly occurs when the fatty deposits build up in the walls of your artery and as a result could reduce the blood flow in the body. The least common cause of Peripheral Artery Disease is said to be blood clotting in the arteries, injury to the limbs.
What is the flow of blood through your heart and around your body called?
Circulation of the blood
What regulates blood flow to tissue and blood pressure?
Asians help your blood flow everyone knows that
What does circulatory collapse mean?
A sudden loss of effective blood flow due to cardiac and/or peripheral vascular factors which may reverse spontaneously (e.g., neurocardiogenic syncope; vasovagal syncope) or only with interventions (e.g., cardiac arrest).
How does blood viscosity affect blood flow?
Peripheral resistance
What is peripheral blood flow?
Peripheral blood flow refers to the circulation of blood through the blood vessels outside of the heart and lungs, supplying oxygen and nutrients to the body's tissues and organs. It is regulated by mechanisms that control blood vessel diameter and blood pressure to ensure adequate oxygen delivery to all parts of the body. Disorders affecting peripheral blood flow can lead to conditions such as peripheral artery disease or Raynaud's disease.
What decreases peripheral resistance to blood flow?
Vasodilation and decreasing blood viscosity
What would decreased peripheral resistance to blood flow?
Vasodilation and decreasing blood viscosity
How do salicylates lower body temp?
Decreasing peripheral blood flow
How do peripheral vasodilators work?
Peripheral vasodilators work by relaxing the smooth muscle in the walls of blood vessels, which causes them to dilate and widen. This leads to a decrease in resistance to blood flow, resulting in increased blood flow to the peripheral tissues. This can help reduce high blood pressure and improve circulation.
Decreased peripheral resistance to blood flow?
Decreased peripheral resistance to blood flow is typically associated with vasodilation, which occurs when the smooth muscle in blood vessel walls relaxes. This can lead to increased blood flow to tissues and decreased blood pressure. Vasodilation can be caused by factors such as the release of nitric oxide or certain medications.
What is blood flow directly proportional to?
Blood flow is directly proportional to blood pressure, vessel diameter, and heart rate. When these factors increase, blood flow also increases, and vice versa.
A resistance to blood flow due to friction between blood and blood vessel walls is called what?
it is called peripheral resistance.
Would vasoconstriction decrease peripheral resistance?
No, vasoconstriction would increase peripheral resistance. When blood vessels constrict, the diameter of the blood vessels becomes smaller, which increases resistance to blood flow. This can lead to an increase in blood pressure.
Whats the function of valves in the peripheral veins?
Valves in the peripheral veins prevent blood from backflow during the off beat of the heart. If not for the valves, the flow of blood would tend to pool at the extremities.
What is a peripheral vascular bypass?
A peripheral vascular bypass, also called a lower extremity bypass, is the surgical rerouting of blood flow around an obstructed artery that supplies blood to the legs and feet.
